import router from './router'
import store from './store'
import {
  getUserinfo
} from './store/modules/user'
import {
  Message
} from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import {
  getToken,
  removeToken
} from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({
  showSpinner: false
}) // NProgress Configuration

const whiteList = ['/login', '/auth-redirect'] // no redirect whitelist

router.beforeEach(async (to, from, next) => {
  console.log(to)
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()
  // 没匹配到路由直接跳转404

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      // next({ path: '/' })
      removeToken()
      NProgress.done() // hack: https://github.com/PanJiaChen/vue-element-admin/pull/2939
    } else {
      // determine whether the user has obtained his permission roles through getInfo
      if (store.getters.userinfo === null) {
        getUserinfo()
      }
      const hasMenu = store.getters.menuinfo != null
      if (hasMenu) {
        if (to.matched.length === 0) {
          next({ path: '/404' })
        }
        else{
          next()
        }
        
      } else {
        try {
          // get user info
          // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
          // const { roles } = await store.dispatch('user/getInfo')
          let userinfo = store.state.user.userinfo
          console.log(userinfo)
          // const roles = ['admin']
          // generate accessible routes map based on roles
          // const accessRoutes = await store.dispatch('permission/generateRoutes', roles)
          await store.dispatch('menu/getMenu', userinfo.ID)
          const accessRoutes = store.getters.menuinfo
          // dynamically add accessible routes
          router.addRoutes(accessRoutes)
          if (to.matched.length === 0) {
            next({ path: '/404' })
          }
          // hack method to ensure that addRoutes is complete
          // set the replace: true, so the navigation will not leave a history record
          next({
            ...to,
            replace: true
          })
        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          // next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/
    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
